Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

MS-DRG 640 — MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITH MCC (MDC 10)
MS-DRG 641 — MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITHOUT MCC (MDC 10)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Delayed milestone in childhood is a billable ICD-10-CM diagnosis code (R62.0).

Sequencing, inclusion, and exclusion notes published for R62.0 in the official ICD-10-CM tabular list.

Alternative terms the tabular list files under this code.

Conditions that can never be reported with this code; the two are mutually exclusive.

Official ICD-10-CM classifications closest to R62.0 in its code family, with their registry titles.

R62 — Lack of expected normal physiological development in childhood and adults
R62.5 — Other and unspecified lack of expected normal physiological development in childhood
R62.50 — Unspecified lack of expected normal physiological development in childhood
R62.51 — Failure to thrive (child)
R62.52 — Short stature (child)
R62.59 — Other lack of expected normal physiological development in childhood
R62.7 — Adult failure to thrive

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.